Alert archive / Arkansas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 295, NWS Little Rock, AR

August 9, 2014Faulkner County, Lonoke County, Pulaski County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 9, 2014, 6:03 AM CDT for Faulkner County, Lonoke County, Pulaski County, Arkansas. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 9, 2014, 6:03 AM CDT (11:03 UTC)
Expired
Aug 9, 2014, 6:30 AM CDT
In force
27 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon

Counties Faulkner County, AR, Lonoke County, AR, Pulaski County, AR

The radar

The Little Rock radar (KLZK), 10 km from the middle of the area, began a volume at 11:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 11.1 hours before the alert went out and 267 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2014-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 415 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2014-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
415 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1167 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 9, 6:00 AM CDT, 3 minutes earlier.

Area forecast discussion, Aug 9, 6:00 AM CDT, 3 minutes before
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Hazardous weather outlook, Aug 9, 5:00 AM CDT, 1 hour 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT SAT AUG 9 2014

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-101000-
ARKANSAS-BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND-
CONWAY-DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING-
INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE-
MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-POPE-
PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-WHITE-
WOODRUFF-YELL-
500 AM CDT SAT AUG 9 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS.

.DAY ONE...TODAY AND TONIGHT

A FRONT WAS STALLED ACROSS NORTHERN ARKANSAS. SURROUNDING THE
FRONT...ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE
EXPECTED.

THE ATMOSPHERE IS LOADED WITH MOISTURE. THIS WILL MAKE STORMS
MORE EFFICIENT RAIN MAKERS. HEAVY DOWNPOURS COULD LEAD TO
LOCALIZED FLASH FLOODING.

THERE IS AN OUTSIDE CHANCE OF SEVERE WEATHER. STRONG TO
DAMAGING WINDS WILL BE THE MAIN CONCERN WITH STORMS THAT
BECOME SEVERE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE AFOREMENTIONED FRONT WILL REMAIN IN PLACE THROUGH AT LEAST
MONDAY. THIS WILL KEEP HIT AND MISS THUNDERSTORMS IN THE FORECAST.
THERE WILL BE A CONTINUED RISK OF LOCALIZED FLASH FLOODING AND
SPOTTY SEVERE WEATHER.

IT WILL FEEL LIKE SUMMER...WITH AFTERNOON HEAT INDEX VALUES FROM 100
TO 105 DEGREES IN ALL BUT THE OZARKS MOUNTAINS OF THE NORTHWEST.

ON TUESDAY...IT APPEARS A STRONGER FRONT WILL SURGE INTO THE AREA
FROM MISSOURI. SLIGHTLY COOLER AND DRIER AIR WILL FOLLOW THE FRONT.

.SPOTTER INFORMATION STATEMENT...

GIVEN ONLY ISOLATED SEVERE STORMS...SPOTTER ACTIVATION IS NOT
ANTICIPATED.

&&

VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND
CLICK ON CENTRAL ARKANSAS.

46

In the hours before

Special weather statement, Aug 9, 5:56 AM CDT, 7 minutes before
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The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 8, 7:06 PM CDTFlash Flood WarningLZKClark, Garland, Hot Spring, Saline3 hr
Aug 8, 7:45 PM CDTFlash Flood WarningLZKClark, Hot Spring, Pike3 hr
Aug 9, 5:56 AM CDTSpecial Weather StatementLZKPulaski29 min
Aug 9, 6:29 AM CDTSpecial Weather StatementLZKLonoke31 min
Aug 9, 11:05 AM CDTRiver Flood WarningLZKJackson, Woodruff10 days
Aug 9, 2:55 PM CDTSpecial Weather StatementLZKBoone45 min
Aug 9, 2:58 PM CDTSevere Thunderstorm WarningLZKJohnson, Logan47 min
Aug 9, 3:07 PM CDTSpecial Weather StatementLZKJohnson, Newton23 min
Aug 9, 3:15 PM CDTFlash Flood WarningLZKJohnson, Newton, Pope, Searcy3 hr
Aug 9, 3:25 PM CDTSevere Thunderstorm WarningLZKJohnson, Logan, Pope, Yell36 min
Aug 9, 3:34 PM CDTSevere Thunderstorm WarningLZKJohnson, Pope41 min
Aug 9, 3:49 PM CDTSevere Thunderstorm WarningLZKConway, Perry, Pope, Van Buren, Yell41 min
Aug 9, 3:51 PM CDTSpecial Weather StatementLZKBoone, Marion, Searcy29 min
Aug 9, 4:11 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pope, Pulaski, Saline and 2 more34 min
Aug 9, 4:18 PM CDTFlash Flood WarningLZKBoone, Marion, Newton, Searcy3 hr
Aug 9, 4:41 PM CDTSpecial Weather StatementLZKConway, Perry, Van Buren29 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2014Every severe thunderstorm warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.